,
$
YORK, A Johnson Controls Company
27* ,!4 =2=,2
Parameter values 9, 10, and 14…17 use the formula in the following table.
Where:
• C = Main Reference value
( =
COMM
for values 9, 10 and
=
AI
1 for values 14…17).
• B = Correcting reference
( =
AI
1 for values 9, 10 and
=
AI
2 for values 14…17).
/@_
The figure shows the reference source curves for
value settings 9, 10, and 14…17, where:
• C = 25%.
• P 4012
SETPOINT MIN
= 0.
• P 4013
SETPOINT MAX
= 0.
• B varies along the horizontal axis.
1104
!\*
>>Z
>Z
>Z&!4,
Q@
@
@Z
Sets the minimum for external reference 1.
• The minimum analog input signal (as a percent of the full signal in volts or amps) corresponds to
REF
1
MIN
in Hz/
rpm.
• Parameter 1301
MINIMUM AI
1 or 1304
MINIMUM AI
2 sets the minimum analog input signal.
• These parameters (reference and analog min. and max. settings) provide scale and offset adjustment for the
reference.
1105
!\m
>>Z
>Z
^>Z#
Q@
@
c@#
Sets the maximum for external reference 1.
• The maximum analog input signal (as a percent of full the signal in volts or amps) corresponds to
REF
1
MAX
in Hz/
rpm.
• Parameter 1302
MAXIMUM AI
1 or 1305
MAXIMUM AI
2 sets the maximum analog input signal.
2_!4 =#=,
23 =,2
! 7
!2,2
4,
#
#,, 7
*4 ===,3422? 7_
C + B
C value + (B value - 50% of reference value)
C * B
C value * (B value / 50% of reference value)
C - B
(C value + 50% of reference value) - B value
C / B
(C value * 50% of reference value) / B value
120
100
80
60
40
20
0
0
100%
9, 14 (+)
16 (-)
10, 15 (*)
17 (/)
B
Ext ref
Analog
P 1105
P 1104
P 1301
P 1302
input signal
P 1301
P 1302
input signal
Analog
Ext ref
or 1304
or 1305
or 1304
or 1305
(
MAX
)
(
MIN
)
P 1105
P 1104
(
MAX
)
(
MIN
)
Содержание York AYK550
Страница 254: ...G YORK A Johnson Controls Company Bypass Package Components Note Solution AHU Does Not have VFD Input Service Switch...
Страница 259: ...YORK A Johnson Controls Company G 8 Fig 1 7 8 94 4 7...
Страница 260: ...G YORK A Johnson Controls Company Fig 2 7 8 8 94 7...
Страница 261: ...YORK A Johnson Controls Company G 7 8 6 8 94 7 Fig 3...
Страница 262: ...G YORK A Johnson Controls Company Fig 4 7 8 8 94 2 7...
Страница 263: ...YORK A Johnson Controls Company G Fig 5 7 8 6 8 94 7...
Страница 264: ...G YORK A Johnson Controls Company Fig 6 7 8 8 8 94 7...
Страница 265: ...YORK A Johnson Controls Company G Fig 7 7 8 8 94 7...
Страница 266: ...2 G YORK A Johnson Controls Company Fig 8 7 8 H 8 94 4 7...
Страница 267: ...3 YORK A Johnson Controls Company G Fig 9 7 8 6 H 8 94 7...
Страница 268: ...G YORK A Johnson Controls Company 7 8 8 8 94 7 Fig 10...
Страница 269: ...YORK A Johnson Controls Company G Fig 11 J 8 8 94 7...